NIST SP 800-120

Approved - FIPS- approved or NIST Recommended. An algorithm or technique that meets at least one of the following: 1) is specified in a FIPS or NIST Recommendation, 2) is adopted in a FIPS or NIST Recommendation or 3) is specified in a list of NIST- approved security functions (e.g., specified as approved in the annexes of FIPS 140-2).